This API is available on Firefox OS for internal applications only.
Summary
The rxBytes property is a number representing the number of bytes received for a given connection. The value is the total number of bytes received for MozNetworkStatsManager.sampleRate seconds at MozNetworkStatsData.date.
If no network stats are available for the given date, this property is undefined (which is different than 0).
Syntax
var bytes = instanceOfMozNetworkData.rxBytes;
Value
A number or undefined.
Specifications
Not part of any specification.